The standard deviation of the set is 5.2
To find standard deviation, we take the square root of the variance.
Answer:x= -3 {x=1 tx= -2 {x =1
Step-by-step explanation:
Answer:
Proportion states that the two ratios or fraction are equal.
As per the given statement: For every 3 ounces of peanuts, there are 2 ounces of cashews. A batch has 60 ounces of peanuts.
Let x be the ounces of cashew will a batch have.
then by definition of proportion, we have;

By cross multiply we have;

Divide by 3 on both sides we get;

therefore, 40 ounces of cashews will a batch have for every 60 ounces of peanuts.
We know that the bottle of soft drink has a remaining
volume which is 2 / 3 of the original.
Since Jack drank 1 / 4 of the remaining volume, hence only
3 / 4 now finally remains, the total is:
(2 / 3) * (3 / 4) = 6 / 12 = 1 / 2
<span>Hence the bottle is now one half full</span>
Answer:
ac=-3, BC=57 I hope it will help you please follow me